Lentil Soup (Italian Vegetable)

Published October 17, 2018. Updated August 28, 2019

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Lentil Soup can come in many varieties. My favorite kind is this one, which is boasting with zesty Italian flavors and lots of fresh vegetables! It tastes a lot like minestrone, but with the addition of protein-rich lentils. In other words, it’s 100% satisfying!Β 

Lentil Soup in a gray bowl with bread on the side

The Best Lentil Soup

This vegetarian lentil soup is a must in your dinner rotation. I’ve tried many different kinds of lentil soup and this is easily the one I’d label the best!

It brimming with nutritious ingredients, it’s perfectly filling and it’s super easy to make. Plus, it’s perfectly comforting for all these cold fall days.

Even my kids love this Italian vegetable soup! We still have those dinners where it can be a struggle to get them to finish off their dinner, but no problem here! We love it with a side of buttered fresh bread or crackers.

Want to see how easy this lentil soup recipe is? Watch the video!

Lentil Soup in a large white cast iron pot

Lentil Soup Ingredients

  • Olive oil
  • Fresh veggies (carrots, onions, garlic, zucchini and kale)
  • Vegetable broth
  • Canned diced tomatoes
  • Dried brown lentils , rinsed and picked over
  • Dried herbs including basil, oregano and thyme
  • Salt and freshly ground black pepper
  • Fresh lemon juice
  • Parmesan cheese, for serving (optional)

Scroll below for printable recipe.

Ingredients needed to make lentil soup show n here including dry lentils, kale, onion, garlic, zucchini, lemon, vegetable broth, olive oil, canned tomatoes, dried herbs and parmesan.

How to Make Lentil Soup

  • Heat olive oil in a large pot over medium-high heat.
  • Add carrots and onions and saute 2 minutes then add garlic and saute 2 minutes longer.

Showing how to make lentil soup. SautΓ©ing diced carrots and onions in a cast iron pot.

  • Pour in vegetable broth and tomatoes.

pouring broth and diced tomatoes into a large pot of lentil soup

  • Add in lentils, basil, oregano, thyme and season with salt and pepper to taste.
  • Bring to a boil then reduce heat to medium-low, cover and simmer 35 minutes, stirring occasionally.

adding lentils and herbs into a pot of soup

  • Add in zucchini and kale and simmer 10 minutes longer.

zucchini and kale in a pot of lentil soup

  • Stir in lemon juice and add up to 1 cup of water to thin as needed (as the soup rests the lentils soak up more of the broth).
  • Serve warm with parmesan cheese if desired.

lentil soup full of vegetables in a large cast iron pot

Can I Make Lentil Soup in the Crock Pot?

Yes this will also work well being cooked in a Crock Pot.

  • To do so add the first 11 ingredients to a slow cooker.
  • Cook on low heat until lentils and vegetables are tender, about 7 hours.
  • Add kale and zucchini and cook 30 minutes longer.
  • Stir in lemon and serve with parmesan.

Can I Freeze Vegetarian Lentil Soup?

This soup does freeze well and reheats well. I like to freeze in individual servings and let thaw overnight in the refrigerator, then reheat for lunch the next day.

Can I Use Different Vegetables?

The other great thing about this vegetarian soup recipe is that you can add in other veggies you may have on hand. Green beans, peas, asparagus, potatoes, cabbage, broccoli, cauliflower, squash, bell pepper, fresh (seeded and peeled) tomatoes are all good options.

Use up what’s in your fridge or pantry so it doesn’t go to waste!

Lentil Soup in a white pot with a wooden spoon

Tips for the Best Lentil Soup

  • Stick with brown or green lentils or adjust the cooking time. Red lentils cook in under half the cooking time of brown and green.
  • If you don’t have have the dried herbs listed here, you could also substitute 1 Tbsp dried Italian seasoning instead of basil, oregano and thyme.
  • If you are out of vegetable broth, chicken broth will work too.
  • Don’t skip the lemon. Even though it’s a small amount it adds a nice hint of brightness.

Lenti Soup shown here in an individual serving in a grey bowl set over a grey plate with a second serving in the background

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Lentil Soup in a large white cast iron pot
4.96 from 124 votes

Lentil Soup (Italian Vegetable)

This is the best lentil soup plus prep is quick and it's so easy to make! It's packed with fresh veggies, zesty Italian flavors and plenty of protein rich lentils. A filling comforting soup perfect for serving any day of the year!
Servings: 6
Prep10 minutes
Cook1 hour
Ready in: 1 hour 10 minutes

Ingredients

Instructions

  • Heat olive oil in a large pot over medium-high heat.Β 
  • Add carrots and onions and saute 2 minutes then add garlic and saute 2 minutes longer.Β 
  • Pour in vegetable broth and tomatoes. Add in lentils, basil, oregano, thyme and season with salt and pepper to taste.Β 
  • Bring to a boil then reduce heat to medium-low, cover and simmer 35 minutes, stirring occasionally.Β 
  • Add in zucchini and kale and simmer 10 minutes longer, if using spinach wait to add it until the last 2 minutes.Β 
  • Stir in lemon juice and add up to 1 cup of water to thin as needed (as the soup rests the lentils soak up more of the broth).Β 
  • Serve warm with parmesan cheese if desired.

Notes

  • Stick with brown or green lentils or adjust the cooking time. Red lentils cook in over half the cooking time of brown and green.
  • If you don't have have the dried herbs listed here, you could also substitute 1 Tbsp dried Italian seasoning instead of basil, oregano and thyme.
  • If you are out of vegetable broth, chicken broth will work too.
  • Don't skip the lemon. Even though it's a small amount it adds a nice hint of brightness.
Recipe source: inspired by my Minestrone andΒ Yummy Mummy Kitchen
Nutrition Facts
Lentil Soup (Italian Vegetable)
Amount Per Serving
Calories 300 Calories from Fat 54
% Daily Value*
Fat 6g9%
Sodium 1323mg58%
Potassium 1252mg36%
Carbohydrates 50g17%
Fiber 16g67%
Sugar 13g14%
Protein 15g30%
Vitamin A 10765IU215%
Vitamin C 79.9mg97%
Calcium 168mg17%
Iron 6.1mg34%
* Percent Daily Values are based on a 2000 calorie diet.
Nutrition values are estimates only. See full disclaimer here.

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293 Comments

  • Zisgurl

    Really tasty. Used up a ton of veggies that were soon to go off. definitely would make again.

    I used fresh tomato instead of canned, chicken broth instead of veggie and lime instead of lemon. I think it’s a great recipe but feel free to make small tweaks based on what you have on hand. it will turn out lovely.

  • Nadia R

    I absolutely love this soup and enjoy making it. I comes out just a beautiful as it looks on the site. I always add a little extra lemon juice, personal preference.

  • Miss Ziggy

    If you’re unsure and looking at multiple Italian Lentli recipes, stop here! This recipe is simple, but every ingredient in the recipe complements each other! I put lime juice in the recipe, and it made everything pop!

  • Carol Ostrander

    This was very delicious! Last time I made Lentil soup was in the early 1980’s! I WILL definitely make this one again and soon! Everyone loved it and it made this cold winter day a bit more warmer!

  • Stephanie N

    This soup is pretty good. We love lentils in my house. Now I cooked this in a dutch oven so after adding the kale and zucchini I simmered longer than 10 mins (probably 20). I like my zucchini a little more soft in soup. My family loved this. I served it with salad and garlic bread made from my baguette. Thanks for this awesome recipe.

  • Marianne DeLano

    I made this for dinner. I had a few changes. I skipped the onions. I used a mixture of chicken broth and water for the veggie broth. I skipped the zucchini and parmesan cheese, next time I will use both. I added a couple of stalks of celery. I made it overnight in the crockpot.

    The broth was flavorful. It had the perfect amount of comfort food vibes. My non veggie loving partner even liked it. He told me not to change a thing but I will add the zucchini and parmesan cheese next time. It was so easy to make too!